Wolf CSO24 Service Manual page 35

CSO24 and CSO30 (SWS #13508346)
Error Diagnostic Of Error
Message
Code (Through Microcontroller)
E01 F5 EEPROM
Read error (after 50 tries)
E02 F5 EEPROM
Write error (after 10 tries)
E03 F5 FLASH
Incorrect process data
(device ID number)
E04 F5 FLASH
Incorrect process data
(checksum)
E05 F5 FLASH
Incorrect firmware
(checksum)
E06 --- SOFTWARE
Watchdog reset
E09 F0 Cooking Space
Temperature
Sensor with too low of a
resistance
(temp. < ca. -4°F/-20°C)
E10 F0 Cooking space
temperature
Sensor with too high of a
resistance
(temp. >ca. 1472°F/800°C)
E11 F0 Cooking space
temperature
Reference with too low of
a resistance
E12 F0 Cooking space
temperature
Reference with too high of
a resistance
E13 --- Cooking space
temperature
Temperature
> 662°F/350°C
during Off / Standby Mode
E17 F1 Food temperature
Food probe with too low of
a resistance
(temp. > ca. 446°F/230°C)
Possible Cause
(Ranked by Frequency)
1. Problems with processor, caused by moisture or EMC influ-
ences.
1. Problems with processor, caused by moisture or EMC influ-
ences.
1. Loaded incorrect process data. Reload process data.
1. Process data error. Reload process data.
1. Firmware error. Reload firmware or replace processor.
1. Processor faulty.
1. Short circuit in PT sensor or in its wiring.
1. Break or loose contact in PT sensor or in its wiring.
1. Processor faulty.
1. Processor faulty.
1. Electromagnetic disturbances - Replace processor.
2. Heating and main relay short circuited - Replace processor.
1. Short circuit in food probe or in its wiring.
2. Food probe not inserted into food, tip too hot.
3. Moisture in food probe socket.
5-3
Troubleshooting Guides
#9001333 - Revision A - August, 2014